218361052

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 490093296

約数和(自身を除く): 271732244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 301, 364, 559, 602, 637, 1118, 1204, 1274, 1993, 2107, 2236, 2548, 3913, 3986, 4214, 7826, 7972, 8428, 13951, 15652, 25909, 27391, 27902, 51818, 54782, 55804, 85699, 97657, 103636, 109564, 171398, 181363, 195314, 342796, 362726, 390628, 599893, 725452, 1114087, 1199786, 1269541, 2228174, 2399572, 2539082, 4199251, 4456348, 5078164, 7798609, 8398502, 15597218, 16797004, 31194436, 54590263, 109180526, 218361052]

約数ペア:

[(1, 218361052), (2, 109180526), (4, 54590263), (7, 31194436), (13, 16797004), (14, 15597218), (26, 8398502), (28, 7798609), (43, 5078164), (49, 4456348), (52, 4199251), (86, 2539082), (91, 2399572), (98, 2228174), (172, 1269541), (182, 1199786), (196, 1114087), (301, 725452), (364, 599893), (559, 390628), (602, 362726), (637, 342796), (1118, 195314), (1204, 181363), (1274, 171398), (1993, 109564), (2107, 103636), (2236, 97657), (2548, 85699), (3913, 55804), (3986, 54782), (4214, 51818), (7826, 27902), (7972, 27391), (8428, 25909), (13951, 15652)]